Kuwaita

Arias, Andrés & Carrera-Parra, Luis F., 2014, First record of the genus Kuwaita (Annelida: Lumbrineridae) in Europe with the description of a new species and new ultramorphological data for the genus, Zootaxa 3887 (1) : -

Key to species of Kuwaita (Modified from Carrera-Parra & Orensanz, 2002)

1. Hooded hooks begin on first chaetiger..................................................................... 2

- Hooded hooks begin after chaetiger 30 (at least in adults)..................................................... 3

2. Hooks from anterior chaetigers with long hood; short hoods in median and posterior chaetigers; MII with up to four teeth...................................................... Kuwaita sp. (“ Lumbrineris ? notocirrata ” sensu Gallardo, 1968)

- All hooks with short hoods; MII with five to six teeth............................................. K. dolicognatha

3. Dorsal cirri long............................................................................... K. magna

- Dorsal cirri minute, button-like.......................................................................... 4

4. Nephridial papillae well-developed, bigger than postchaetal lobe...................................... K. papillifera

- Nephridial papillae small.............................................................................. 5

5. MIII with distal tooth bigger; hooks with proximal tooth well-developed........................ K. hanneloreae sp. nov.

- MIII with both teeth of similar size, hooks with all teeth of similar size................................ K. heteropoda